«Thorium, Uranium and Potassium Levels in Brazilian Geological Sediment As Determined by Gamma-Ray Spectroscopy and Instrumental Neutron Activation Analysis». Brazilian Journal of Radiation Sciences (BJRS), vol. 10, n.º 3B (Suppl.), diciembre de 2022, https://doi.org/10.15392/2319-0612.2022.1984.